@import"https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,700,400italic,700italic,600,600italic";*,*::before,*::after{box-sizing:border-box}*{margin:0}body{font-family:"Source Sans Pro",Helvetica,Arial,sans-serif}.mp-nav{background:var(--navigation-color-background);color:#fff;min-height:45px}@media(min-width: 960px){.mp-nav{position:fixed;left:0;top:0;height:100%;width:210px;z-index:1040}}@media print{.mp-nav{display:none}}body[data-is-public-page=true] .mp-nav{display:none}.mp-full-page-overlay{background-color:var(--base-color-site-background);position:fixed;top:0;right:0;bottom:0;left:0;z-index:1040}.mp-header{background:#fff;border-bottom:1px solid var(--card-color-border);height:78px;display:-webkit-box;display:-ms-flexbox;display:flex}@media(min-width: 960px){.mp-header{margin-left:210px}}@media print{.mp-header{display:none}}.mp-header-h1{color:var(--base-color-primary-text);font-size:20px;font-weight:800;margin:0}@media(min-width: 960px){.mp-header-h1{font-size:24px}}.mp-header-wrapper{-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;display:-webkit-box;display:-ms-flexbox;display:flex;width:100%;max-width:1280px;padding:0 12px}.panorama .mp-header-wrapper{max-width:1325px}@media(min-width: 960px){.mp-header-wrapper{padding:0 24px 0 32px}}@media(min-width: 1280px){.mp-header-wrapper{padding:0 16px 0 32px}}.mp-header-aside{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex}.mp-header-jump-to{padding-right:32px}body[data-is-public-page=true] .mp-header{display:none}@media(min-width: 960px){.mp-book-banner{margin-left:210px}}@media(pointer: fine){::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{-webkit-box-shadow:inset 0 0 12px #d6d6d6}::-webkit-scrollbar-thumb{background-color:#b5b5b5;border:2px solid #e7e7e7;border-radius:12px}::-webkit-scrollbar-thumb:hover{background-color:#999}}